100% Cotton Flannel 𝐏𝐫𝐞𝐦𝐢𝐮𝐦 𝟏𝟕𝟎 𝐆𝐒𝐌 𝐇𝐞𝐚𝐯𝐲𝐰𝐞𝐢𝐠𝐡𝐭 𝐖𝐚𝐫𝐦𝐭𝐡: Unlike standard 130-150 GSM flannel that feels thin and fails to insulate, this heavyweight cotton flannel Fitted Sheet delivers 20-30% more substantial warmth with plump, velvety 100% brushed cotton softness that wraps you in cozy comfort on the coldest winter nights, solving the common frustration of flimsy flannel that leaves you shivering and reaching for extra blankets just to stay warm 𝐄𝐱𝐭𝐫𝐚 𝐃𝐞𝐞𝐩 𝟐𝟒-𝐈𝐧𝐜𝐡 𝐏𝐨𝐜𝐤𝐞𝐭𝐬 𝐰𝐢𝐭𝐡 𝐒𝐞𝐜𝐮𝐫𝐞 𝐅𝐢𝐭: This Fitted Sheet flannel (78 x 80 inch) Cal King size, sold separately from flat sheets and pillowcases) features extra deep pockets that accommodate standard mattresses, pillow-tops, and mattresses with toppers up to 24 inches thick; fully elasticized construction with reinforced corners ensures a snug, secure fit that stays put all night long even if you toss and turn frequently 𝐘𝐞𝐚𝐫-𝐑𝐨𝐮𝐧𝐝 𝐂𝐨𝐦𝐟𝐨𝐫𝐭 𝐟𝐨𝐫 𝐄𝐯𝐞𝐫𝐲 𝐒𝐥𝐞𝐞𝐩𝐞𝐫: Perfect for quality-conscious homeowners, hot sleepers seeking breathable warmth, and owners of thick mattresses, this warm fitted sheet from the flannel bed sheets collection is ideal for upgrading master bedrooms, refreshing guest rooms before holiday visitors, or creating cozy sanctuaries in vacation homes; Oeko-Tex certified 100% brushed cotton is gentle and safe for sensitive skin and allergy sufferers alike 𝐕𝐞𝐫𝐬𝐚𝐭𝐢𝐥𝐞 𝐒𝐞𝐚𝐬𝐨𝐧𝐚𝐥 𝐁𝐞𝐝𝐝𝐢𝐧𝐠 𝐟𝐨𝐫 𝐀𝐧𝐲 𝐒𝐩𝐚𝐜𝐞: Use this Fitted Sheet in master bedrooms, guest rooms, vacation rentals, and RVs throughout every season, from cold winter nights and crisp fall evenings to air-conditioned summer sleep and spring mornings; pairs beautifully with matching Tribeca Living flannel flat sheets, pillowcases, down comforters, weighted blankets, and mattress toppers for a complete cozy bedroom 𝐂𝐞𝐫𝐭𝐢𝐟𝐢𝐞𝐝 𝐒𝐚𝐟𝐞 𝐚𝐧𝐝 𝐄𝐭𝐡𝐢𝐜𝐚𝐥𝐥𝐲 𝐌𝐚𝐝𝐞: Unlike mass-produced alternatives that may contain harmful chemicals, this 100 percent cotton flannel is Oeko-Tex certified and tested free from harmful substances with no chemical odor right out of the package; backed by 35+ years of family textile expertise, Tribeca Living delivers premium flannel quality comparable to highest rated flannel sheets at an accessible price, building your confidence in every bedding choice